By using this plugin your will allow visitors very easy to subscribe to your newsletter via subscription form added through widget.. It is easiest way to convert your site visitors into subscribers.
You can create good looking opt-in forms. You can add image in forms and change texts and backgrounds colors.
‘WDV MailChimp Ajax’ allows you to add unlimited Mailchimp sign up forms to your site. You can add different keys and Audience ID to different forms.